1. Guangdong Provincial Key Laboratory of Petrochemical Equipment Fault Diagnosis, School of Science, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, China
2. School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
3. Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475001, Henan, China